Stack-based buffer overflow in Google Chromium - CVE-2021-30566

Vulnerability identifier: #VU55105

CSH Severity: High

CVSS v4: 8.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2021-30566

CWE-ID: CWE-121

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to compromise the affected system.

The vulnerability exists due to a boundary error in Printing in Google Chrome. A remote attacker can trick the victim to visit a specially crafted webpage, trigger a stack-based buffer overflow and execute arbitrary code on the system.

Google Chromium
Google Chrome
Microsoft Edge
Arch Linux
Gentoo Linux
Fedora
qt5-qtwebengine
chromium

Update to version 92.0.4515.107.

Google Chromium - update to 92.0.4515.107
Google Chrome - update to 92.0.4515.107
Microsoft Edge - update to 92.0.902.55
qt5-qtwebengine - update to 5.15.8-2.fc34
chromium - addressed in versions 93.0.4577.63-1.el8, 93.0.4577.63-1.fc33, 93.0.4577.63-1.fc34, 93.0.4577.63-1.fc35

• https://chromereleases.googleblog.com/2021/07/stable-channel-update-for-desktop_20.html
• https://crbug.com/1202661

• Multiple vulnerabilities in Google Chrome
• Arch Linux update for chromium
• Multiple vulnerabilities in Microsoft Edge
• Arch Linux update for vivaldi
• Arch Linux update for opera
• Gentoo update for Chromium, Google Chrome
• Fedora 33 update for chromium
• Fedora 35 update for chromium
• Fedora 34 update for chromium
• Fedora EPEL 8 update for chromium
• Fedora 34 update for qt5-qtwebengine